- Low-E Packing Tested to the API 622 Standard (REV. 2):
- Average stem packing leakage 10 ppmv for the duration of the API 622 test (100 ppm allowable)
- Stem packing is suitable for service at temperatures of -400˚F to 850˚F (-240˚C to 450˚C)
- API 607 REV. 4 fire tested
- Standard on IMI PBM’s Instrument Valves Series IM and IB, ASME Class 1500 Weld Design – optional on other valve models